LEVITTOWN, Philadelphia --- A man accused of beheading his father in suburban Philadelphia posted a gruesome video on social media that shows him holding up the severed head and railing against the government, authorities said Wednesday. Justin Mohn, 32, who is charged with first-degree murder and abusing a corpse, was armed and had jumped a fence at a National Guard facility about 100 miles (160 kilometers) away when he was arrested late Tuesday, hours after the killing, a Guard spokeswoman said. The father, identified as Michael F. Mohn, was found decapitated in the bathroom of the home in Levittown where his son also lived. The YouTube video, more than 14 minute...Keep on reading: Man accused of beheading father, posting gruesome video online